예제 #1
0
파일: Utils.c 프로젝트: sonite/mGit
char *file_open(const char *name) {
	HANDLE handle = CreateFileA(name, GENERIC_READ,
		FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
		OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);

	if(handle != INVALID_HANDLE_VALUE) {
		DWORD size = GetFileSize(handle, NULL);

		if(size != INVALID_FILE_SIZE) {
			// Allocate an extra byte to make sure there's at least one null at
			// the end of the file
			char *buffer = VirtualAlloc(NULL, ++size,
				MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);

			if(buffer) {
				DWORD read;

				if(ReadFile(handle, buffer, size, &read, NULL) && read < size) {
					CloseHandle(handle);
					return buffer;
				}

				VirtualFree(buffer, 0, MEM_RELEASE);
			}
		}

		CloseHandle(handle);
	}

	err_format("Cannot open file '%s'", name);
	return NULL;
}
예제 #2
0
파일: tsv19.c 프로젝트: jleffler/soq
static void read_header(header *hdr)
{
    char   *buffer = 0;
    size_t  buflen = 0;
    if (getline(&buffer, &buflen, stdin) == -1)
        err_error("Failed to read header line");
    int offset = 0;
    if (sscanf(buffer + offset, "%31s%n", hdr->r_name, &offset) != 1)
        err_format("header row name", buffer);
    for (int i = 0; i < MAX_VALUES; i++)
    {
        int extra;
        if (sscanf(buffer + offset, "%31s%n", hdr->c_name[i], &extra) != 1)
            err_format("header column name", buffer);
        assert(extra > 0);
        offset += extra;
    }
    free(buffer);
}
예제 #3
0
파일: tsv19.c 프로젝트: jleffler/soq
static size_t read_samples(size_t max_rows, sample *data)
{
    char   *buffer = 0;
    size_t  buflen = 0;
    size_t  numrow = 0;

    while (getline(&buffer, &buflen, stdin) != -1 && numrow < max_rows)
    {
        int offset;
        if (sscanf(buffer, " %31s%n", data[numrow].r_name, &offset) != 1)
            err_format("row name", buffer);
        for (int i = 0; i < MAX_VALUES; i++)
        {
            int extra;
            if (sscanf(buffer + offset, "%lf%n", &data[numrow].value[i], &extra) != 1)
                err_format("value", buffer);
            assert(extra > 0);
            offset += extra;
        }
        numrow++;
    }
    free(buffer);
    return numrow;
}